What is the Least Common Multiple of 90857 and 90861?

Least common multiple or lowest common denominator (lcd) can be calculated in two way; with the LCM formula calculation of greatest common factor (GCF), or multiplying the prime factors with the highest exponent factor.

Least Common Multiple of 90857 and 90861 with GCF Formula

The formula of LCM is LCM(a,b) = ( a × b) / GCF(a,b).
We need to calculate greatest common factor 90857 and 90861, than apply into the LCM equation.

GCF(90857,90861) = 1
LCM(90857,90861) = ( 90857 × 90861) / 1
LCM(90857,90861) = 8255357877 / 1
LCM(90857,90861) = 8255357877

Least Common Multiple (LCM) of 90857 and 90861 with Primes

Least common multiple can be found by multiplying the highest exponent prime factors of 90857 and 90861. First we will calculate the prime factors of 90857 and 90861.

Prime Factorization of 90857

Prime Factorization of 90861

Now multiplying the highest exponent prime factors to calculate the LCM of 90857 and 90861.

LCM(90857,90861) = 13¹ × 29¹ × 241¹ × 3¹ × 31¹ × 977¹
LCM(90857,90861) = 8255357877